1. Which of the following is not a part of Geographic
Information System (GIS)?
Choose the correct answer from the codes:
Codes:
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(A) Projection
(B) Overlay
(C) Reclassification
(D) Measuring distance and connectivity
2. The soil type which is good for
agriculture is
(A) Podozols
(B) Latosols
(C) Serpent soil
(D) Solonachak
3. The settling of discreet, non-flocculating
particle in a dilute suspension is known as
(A) Class-I sedimentation
(B) Class-II sedimentation
(C) Class-III sedimentation
(D) Compression
4. Which one of the following is the
single most important reactive intermediate species in atmospheric chemical
processes?
(A) OH.
(B) O2.–
(C) ROO.
(D) OH–
5. Removal of top fertile soil by water
is called
(A) Leaching
(B) Siltation
(C) Weathering of soil
(D) Soil erosion
6. The rate of settling of air-borne
particles in the atmosphere varies with their aerodynamic diameter (d) as
(A) α d
(B) α d2
(C) α d3
(D) α d½
7. The smokestack plumes exhibit ‘coning’
behaviour when
(A) Stable atmospheric conditions exist
(B) Atmosphere is unstable
(C) The height of the stack is below the
inversion layer
(D) Inversion exists right from the
ground surface above
8. Photodissociation of NO2 occurs in the presence of photons of
wavelength,
(A) < 0.39 μm
(B) 0.5 – 0.6 μm
(C) 0.6 – 0.65 μm
(D) 0.65 – 0.7 μm
9. Peroxyacetyl Nitrate (PAN) is formed
by oxidation of
(i) Hydrocarbons
(ii) Isoprene
(iii) Terpene
(iv) Arsenic
Choose the correct answer from the codes:
Codes:
(A) (i) and (iv)
(B) (ii) and (iv)
(C) (iii) and (iv)
(D) (i), (ii) and (iii)
10. Chaparral, Maquis, Encinous,
Melleseab are important areas of
(A) Tropical deciduous woodland
(B) Temperate evergreen woodland
(C) Tropical evergreen woodland
(D) Temperate deciduous woodland
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